Constellium Ownership | Who Owns Constellium?

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Constellium Ownership Summary

Constellium is owned by 92.74% institutional investors, 1.78% insiders, and 5.48% retail investors. T. rowe price investment management is the largest institutional shareholder, holding 10.16% of CSTM shares. Fidelity Value is the top mutual fund, with 3.28% of its assets in Constellium shares.

CSTM Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Constellium	92.74%	1.78%	5.48%
Sector	Basic Materials Stocks	52.55%	12.25%	35.20%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
T. rowe price investment management	14.31M	10.16%	$190.32M
Fmr	14.68M	10.09%	$150.78M
Blackrock funding, inc. /de	13.86M	9.84%	$184.29M
Bpifrance sa	12.59M	8.94%	$167.50M
Blackrock	11.43M	7.79%	$215.44M
Janus henderson group	6.45M	4.43%	$66.19M
Encompass capital advisors	5.36M	3.81%	$71.32M
Nut tree capital management, lp	5.50M	3.78%	$56.48M
Millennium management	2.48M	1.71%	$25.49M
D. e. shaw	2.43M	1.67%	$24.92M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Kailix advisors	1.23M	25.38%	$16.39M
Nut tree capital management, lp	5.50M	19.35%	$56.48M
Soapstone management	1.54M	14.86%	$15.82M
Bpifrance sa	12.59M	8.02%	$167.50M
Beaconlight capital	928.53K	7.05%	$12.35M
Mountaineer partners management	887.24K	6.67%	$9.11M
Brightline capital management	1.00M	5.73%	$13.30M
Encompass capital advisors	5.36M	2.60%	$71.32M
Beacon investment advisors	339.27K	1.95%	$4.53M
New century financial group	68.44K	1.81%	$1.02M

Top Buyers

Holder	Shares	% Assets	Change
Blackrock funding, inc. /de	13.86M	0.00%	3.22M
Encompass capital advisors	5.36M	2.60%	2.01M
Nut tree capital management, lp	5.50M	19.35%	1.90M
Blackrock	11.43M	0.00%	1.66M
Spears abacus advisors	1.48M	0.40%	1.35M

Top Sellers

Holder	Shares	% Assets	Change
Westwood group	-	-	-6.52M
T. rowe price investment management	14.31M	0.12%	-4.89M
Oberweis asset management inc/	-	-	-1.84M
Samlyn capital	-	-	-1.73M
Rubric capital management lp	-	-	-1.52M

New Positions

Holder	Shares	% Assets	Change	Value
Bridgeway capital management	838.89K	0.19%	838.89K	$8.62M
Norges bank	424.04K	0.00%	424.04K	$4.35M
Nomura	131.01K	0.00%	131.01K	$2.47M
Y-intercept (hong kong)	105.35K	0.03%	105.35K	$1.40M
Bnp paribas arbitrage, snc	102.50K	0.00%	102.50K	$1.05M

Sold Out

Holder	Change
Capital performance advisors llp	-7.00
First horizon advisors	-20.00
Southstate	-20.00
Svb wealth	-26.00
Corecap advisors	-28.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2025	229	-2.14%	130,590,895	0.80%	92	1.17%	136	6.25%	66	-1.49%
Mar 31, 2025	234	1.30%	130,456,040	-3.44%	89	1.04%	128	2.40%	67	-9.46%
Dec 31, 2024	228	-1.30%	134,826,739	0.18%	92	1.08%	122	-4.69%	74	2.78%
Sep 30, 2024	230	-3.36%	134,590,524	-0.48%	92	1.08%	126	-11.27%	73	10.61%
Jun 30, 2024	236	11.32%	135,238,405	0.20%	92	1.08%	141	11.02%	66	22.22%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Fidelity Value	4.58M	3.28%	-183.00K
Janus Henderson Contrarian D	4.18M	2.91%	-
Janus Henderson US Opportunistic Alpha	4.18M	2.86%	321.95K
T. Rowe Price Small-Cap Value	3.83M	2.74%	-1.55M
Janus Henderson Opportunistic Alpha MA	3.86M	2.64%	3.86M
iShares Russell 2000 ETF	3.44M	2.46%	-
T. Rowe Price U.S. SC Value Eq Tr-Z	3.42M	2.40%	187.37K
T. Rowe Price U.S. SC Value Eq Tr-D	3.36M	2.35%	-67.88K
Jennison SMid Cap Core Equity	2.31M	1.58%	-41.76K
PGIM Jennison Small Company A	2.31M	1.58%	-

CSTM Ownership FAQ

Who owns the most shares of Constellium?

Constellium’s largest shareholders are T. rowe price investment management (14.31M shares, 10.16%), Fmr (14.68M shares, 10.09%), and Blackrock funding, inc. /de (13.86M shares, 9.84%). Together, they hold 30.09% of Constellium’s total shares outstanding.

Does Blackrock own Constellium?

Yes, BlackRock owns 7.79% of Constellium, totaling 11.43M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 215.44M$. In the last quarter, BlackRock increased its holdings by 1.66M shares, a 17.00% change.

Who is Constellium’s biggest shareholder by percentage of total assets invested?

Kailix advisors is Constellium’s biggest shareholder by percentage of total assets invested, with 25.38% of its assets in 1.23M Constellium shares, valued at 16.39M$.

Who is the top mutual fund holder of Constellium shares?

Fidelity Value is the top mutual fund holder of Constellium shares, with 3.28% of its total shares outstanding invested in 4.58M Constellium shares.

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